Dermatitis?: It could be a contact or irritant dermatitis. Other options include poison ivy- but in 1 isolated location, without any satellite lesions, it's unlikely. Topical steroids may help and you can search for a cause- something he rubbed on the knee or something that contacted it.
Answered 2/27/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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